More and more often, Hollywood's biggest actresses and musicians are opting for gowns with sheer side sections or deep, daring slits. It's actually not an entirely new look, but it seems to have exploded onto the scene after Gwyneth Paltrow stepped out at the "Iron Man 3" premiere in a sheer-paneled Antonio Berardi’s dress, exposing a whole lotta leg, thigh, and, uh … side-derriere.

Even most recently, Jaimie Alexander of "Thor: The Dark World" pulled the exact same stunt at the exact same theater, wowing the crowds in a black Azzaro Couture number with sheer lengths running down the front and back. (You can see several photos here.)